Results:2 different decay possibilities were found


Dataset #1:

Author: Jun Chen   Citation:Nuclear Data Sheets 174, 1 (2021)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
123
50
Sn
 24.64    3/2+   40.06 m 2    β-: 100  1408.2 24   
123
51
Sb
 

Beta-:

Energy
(keV)
End-point energy
(keV)
Intensity
(%)
Dose
( MeV/Bq-s )




   235.50 94    720.2 24      0.011 % 3   2.6E-5 7 
   302.57 98    890.7 24      0.055 % 5   1.66E-4 15 
   461.1 11   1272.5 24     99.9 % 3   0.4606 18 

Mean beta- energy: 461.0 keV 22, total beta- intensity: 100.0 % 3, mean beta- dose: 0.461 MeV/Bq-s 3

Electrons:

Energy
(keV)
Intensity
(%)
Dose
( MeV/Bq-s )



Auger L     3.07      11.96 % 6   3.671E-4 18 
Auger K    21.8       1.63 % 5   3.55E-4 11 
CE K   129.85 3       12.33 %  0.01601
CE L   155.64 3        1.59 %  0.00247
CE M   159.40 3        0.313 %  4.99E-4
CE N   160.19 3        0.0604 %  9.68E-5
CE O   160.34 3        0.00595 %  9.54E-6

Gamma and X-ray radiation:

Energy
(keV)
Intensity
(%)
Dose
( MeV/Bq-s )



XR l     3.6       1.03 % 4   3.72E-5 14 
XR kα2    26.111       3.07 % 7   8.02E-4 19 
XR kα1    26.359       5.67 % 12   0.00150 3 
XR kβ3    29.679       0.518 % 11   1.54E-4 3 
XR kβ1    29.726       0.998 % 22   2.97E-4 7 
XR kβ2    30.393       0.281 % 6   8.54E-5 19 
   160.34 3       85.69 %  0.1374
   170.15 38        0.003 % 3   5E-6 5 
   381.75 5        0.040 % 3   1.53E-4 11 
   541.95 10        0.018 % 3   9.8E-5 16 
   552.37 24        0.0077 % 18   4.3E-5 10 

Gamma Coincidence Data:

For each gamma, the list of gammas in coincidence is given.
If experimentally known, an estimate of the average time interval (in seconds) between both gammas is given.

E(γ)Coincidence
   160.34170.15 (6.15E-10), 381.75 (6.10E-10), 552.37 (6.10E-10)
   170.15160.34 (6.15E-10), 381.75 (5.30E-12), 541.95 (5.30E-12)
   381.75160.34 (6.10E-10), 170.15 (5.30E-12)
   541.95170.15 (5.30E-12)
   552.37160.34 (6.10E-10)

Dataset #2:

Author: Jun Chen   Citation:Nuclear Data Sheets 174, 1 (2021)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
123
50
Sn
 0.0    11/2-   129.2 d 5    β-: 100  1408.2 24   
123
51
Sb
 

Beta-:

Energy
(keV)
End-point energy
(keV)
Intensity
(%)
Dose
( MeV/Bq-s )




    18.29 65     70.8 24      9.8E-4 % 21   1.8E-7 4 
    39.50 70    147.3 24      1.4E-4 % 6   5.5E-8 24 
    63.08 74    226.9 24      0.0022 % 5   1.4E-6 3 
    92.27 78    319.5 24      0.60 % 12   5.5E-4 11 
   111.56 81    378.0 24      0.031 % 7   3.5E-5 8 
   527.8 10   1408.2 24     99.37 % 13   0.5245 12 

Mean beta- energy: 525.0 keV 15, total beta- intensity: 100.00 % 18, mean beta- dose: 0.5251 MeV/Bq-s 18

Electrons:

Energy
(keV)
Intensity
(%)
Dose
( MeV/Bq-s )



Auger L     3.07       2.7E-4 % 5   8.2E-9 15 
Auger K    21.8       3.6E-5 % 8   7.9E-9 17 
CE K   129.84 5        2.8E-4 % 6   3.6E-7 7 
CE L   155.63 5        3.5E-5 % 7   5.5E-8 11 
CE M   159.39 5        7.0E-6 % 14   1.12E-8 23 
CE N   160.18 5        1.4E-6 % 3   2.2E-9 4 
CE O   160.33 5        1.3E-7 % 3   2.1E-10 4 

Gamma and X-ray radiation:

Energy
(keV)
Intensity
(%)
Dose
( MeV/Bq-s )



XR l     3.6       2.3E-5 % 4   8.3E-10 16 
XR kα2    26.111       6.9E-5 % 14   1.8E-8 4 
XR kα1    26.359       1.3E-4 % 3   3.3E-8 7 
XR kβ3    29.679       1.16E-5 % 24   3.4E-9 7 
XR kβ1    29.726       2.2E-5 % 5   6.6E-9 14 
XR kβ2    30.393       6.3E-6 % 13   1.9E-9 4 
   160.33 5        0.0019 % 4   3.1E-6 6 
  1021.00 20        0.0019 % 4   2.0E-5 4 
  1030.23 10        0.031 % 6   3.2E-4 7 
  1088.64 10        0.60 %  0.0065
  1100.5 4        8E-5 % 5   9E-7 5 
  1177.06 20        2.3E-4 % 5   2.7E-6 6 
  1181.23 20        2.9E-4 % 7   3.5E-6 8 
  1260.9 4        5E-5 % 3   7E-7 4 
  1337.44 20        7.6E-4 % 16   1.01E-5 21 

Gamma Coincidence Data:

For each gamma, the list of gammas in coincidence is given.
If experimentally known, an estimate of the average time interval (in seconds) between both gammas is given.

E(γ)Coincidence
   160.331021.00 (6.10E-10), 1100.5 (6.10E-10), 1177.06 (6.10E-10)
  1021.00160.33 (6.10E-10)
  1100.5160.33 (6.10E-10)
  1177.06160.33 (6.10E-10)